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Recording system having a plurality of controllers arranged respectively for a plurality of recording heads

a recording system and controller technology, applied in the field of recording systems, can solve the problems of difficult design and manufacture of such a controller, complex data generation process, and difficult data for each recording head, and achieve the effect of convenient configuration

Inactive Publication Date: 2011-01-25
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This approach simplifies the configuration and operation of ink jet printers by minimizing the need for large-scale controller modifications, reducing complexity and enhancing flexibility in handling changes in the number and arrangement of recording heads.

Problems solved by technology

The data generation process for generating the ejection data for each recording head and the transfer process for sorting the ejection data for each recording head become complex.
The design and manufacture of such a controller become a difficult task.
Such a difficult task, which may be performed when the printer is modified or a new model is developed, becomes a burden in the development and manufacturing activity.

Method used

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  • Recording system having a plurality of controllers arranged respectively for a plurality of recording heads
  • Recording system having a plurality of controllers arranged respectively for a plurality of recording heads
  • Recording system having a plurality of controllers arranged respectively for a plurality of recording heads

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Experimental program
Comparison scheme
Effect test

first modification

[0131]In the above-described embodiments, the relay transfer is performed in a single direction through the controllers C#1-C#n. Alternatively, the ejection data may be transferred in dual directions through the controllers C#1-C#n. More specifically, the controllers C#1-C#n are connected via dual-direction signal lines so that the relay transfer is performed in dual directions. The ejection data can thus be transferred in mutually opposite directions through the controllers C#1-C#n. Each of the controllers C#1-C#n includes two pairs of receiving and transmitting units to enable the dual-direction transfer. The data size per transfer operation may be the small-data block equal to one unit of ejection data, or the large-data block equal to two units of ejection data. With the dual-direction transfer method employed, the required number of transfer operations before the start of the recording operation is reduced, and the waiting time before the start of the recording operation is sho...

second modification

[0132]The invention is not limited to the relay transfer in which the transfer is performed one controller by one controller. For example, a plurality of controllers may be connected to a common bus, and the controllers C#1-C#n transfer the ejection data to a specified destination via the bus in a single transfer operation.

third modification

[0133]The verification unit for verifying the completion of the transfer establishing the record start condition is not limited to the one that responds to the countup signal output when the transfer operation counter 57 reaches the predetermined value. For example, the controller corresponding to the recording head performing the first recording operation may check the transfer source address of the ejection data addressed to own address, and then verifies that the transfer operation needed to start the recording is complete.

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PUM

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Abstract

A recording system for performing a recording operation on a target includes a plurality of recording heads, a plurality of controllers that are arranged respectively for the plurality of recording heads, a data distributor that distributes second data to each of the controllers, and a data generator that generates third data to be output to the plurality of recording heads in response to the second data. The second data results from dividing, by the number of recording heads, a first data to be supplied. The controller further includes a transfer unit that transfers the third data to be output to the recording head corresponding to another controller to the other controller and a verification unit that verifies that a recording start condition has been established.

Description

BACKGROUND[0001]1. Technical Field[0002]The present invention relates to a recording system including a plurality of recording heads, and a plurality of controller respectively controlling the recording heads, a recording apparatus, and a recording method of the recording apparatus.[0003]2. Related Art[0004]Ink jet printers are known as a recording apparatus. The ink jet printers are divided into a serial printer and a line printer by recording method. The serial printer moves a carriage having a recording head mounted thereon in a main scan direction in a reciprocating fashion, and then performs a printing operation on a recording sheet by ejecting ink drops on the sheet in the reciprocating movement (as disclosed in Japanese Unexamined Patent Application Publication No. 2007-229953).[0005]One known type of line printer includes a plurality of recording heads arranged in a zigzag fashion so that nozzles covers the entire width of a large width recording sheet (as disclosed in Japan...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): B41J29/38B41J2/155
CPCB41J2/04541B41J2/04581B41J29/02B41J2202/20
Inventor HAYASHI, TOSHIHIRO
Owner SEIKO EPSON CORP